CVE-2021-3798

Published Aug 23, 2022

Last updated a year ago

CVSS medium 5.5

Overview

Description: A flaw was found in openCryptoki. The openCryptoki Soft token does not check if an EC key is valid when an EC key is created via C_CreateObject, nor when C_DeriveKey is used with ECDH public data. This may allow a malicious user to extract the private key by performing an invalid curve attack.
Source: secalert@redhat.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 5.5
Impact score: 3.6
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Severity: MEDIUM

Weaknesses

nvd@nist.gov: NVD-CWE-Other
secalert@redhat.com: CWE-200

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:opencryptoki_project:opencryptoki:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "F9E5EB07-9490-4AB0-BE69-412ED0BF7F4B",
            "versionEndExcluding": "3.17.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References